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Hydrochloric Acid → 1,4,7-Tris(carboxymethyl)-1,4,7,10-tetraazacyclododecane

HRID 1422428
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1422428
NCC(O)CO.Cl.[C:8]([CH:11]([N:18]1[CH2:29][CH2:28][N:27]([CH:30]([C:37]([OH:39])=[O:38])CCCC(O)=O)[CH2:26][CH2:25][NH:24][CH2:23][CH2:22][N:21]([CH:40](CCCC)[C:41]([OH:43])=[O:42])[CH2:20][CH2:19]1)CCCC(O)=O)([OH:10])=[O:9].C1C(=O)N(O)C(=O)C1S([O-])(=O)=O.[Na+].CCN=C=NCCCN(C)C.[OH-].[Na+]>O>[CH2:25]1[NH:24][CH2:23][CH2:22][N:21]([CH2:40][C:41]([OH:43])=[O:42])[CH2:20][CH2:19][N:18]([CH2:11][C:8]([OH:10])=[O:9])[CH2:29][CH2:28][N:27]([CH2:30][C:37]([OH:39])=[O:38])[CH2:26]1
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Komponenten

8

Edukt 6

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 735613-Amino-1,2-propanediolHCID 3520574n-hydroxysulfosuccinimide sodium saltHCID 667390892-[4,7-Bis(1,4-dicarboxybutyl]-1,4,7,10-tetraazacyclododec-1-yl]hexanoic acid

Produkt 1

HCID 1078301,4,7-Tris(carboxymethyl)-1,4,7,10-tetraazacyclododecane

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

A solution containing 0.26 mg of 3-aminopropane-1,2-diol in 6 μl of water is prepared. The pH is adjusted to 6 with HCl. 0.5 mg of gallium complex of 2-[4,7-bis(1,4-dicarboxybutyl]-1,4,7,10-tetraazacyclododec-1-yl]hexanoic acid are added to the above solution. The pH is again adjusted before adding 0.071 mg of sulfo-NHS and 0.062 mg of EDCI. The pH is checked and adjusted to 6 with 2N NaOH. After an overnight period at AT, the reaction medium is concentrated to approximately 2 ml and then precipitated from 10 ml of ethanol. The solid is filtered off, washed with ethanol and diethyl ether, and then purified on silanized silica RP2, elution being carried out with water only. 0.2 mg of product is obtained.

Aufarbeitung

  1. customis prepared
  2. concentrationthe reaction medium is concentrated to approximately 2 ml
  3. customprecipitated from 10 ml of ethanol
  4. filtrationThe solid is filtered off
  5. washwashed with ethanol and diethyl ether
  6. custompurified on silanized silica RP2, elution

Quellen und Nachweise

ORD-Eintrag
ord-367de10a3cab4b43a995523b367e5bc6
Quelldatensatz
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08926945B2

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